28044016008 has 32 divisors (see below), whose sum is σ = 70416211200. Its totient is φ = 9307182528.

The previous prime is 28044015997. The next prime is 28044016043. The reversal of 28044016008 is 80061044082.

It is a self number, because there is not a number n which added to its sum of digits gives 28044016008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545816 + ... + 2556807.

It is an arithmetic number, because the mean of its divisors is an integer number (2200506600).

Almost surely, 2^28044016008 is an apocalyptic number.

It is an amenable number.

28044016008 is an abundant number, since it is smaller than the sum of its proper divisors (42372195192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28044016008 is a wasteful number, since it uses less digits than its factorization.

28044016008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102861 (or 5102857 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 28044016008 in words is "twenty-eight billion, forty-four million, sixteen thousand, eight".